Describe the three most common features most RFID devices have.

What will be an ideal response?

Most RFID devices have some common features:
•         Close proximity          Devices generally communicate within 1 meter.
•         Security                       Most RFID standards include weak or no encryption.
•         Labels                         RFID tags most commonly appear inside labels, which are in turn placed on whatever component (box, part, device) needs to be queried.